If it's all in there, what's the point of discussing the spreadsheets? You won't care about that unless you disagree with the author yet make the exact same ass

If it's all in there, what's the point of discussing the spreadsheets? You won't care about that unless you disagree with the author yet make the exact same assumptions. So it's almost 100% certain you'd argue assumptions and modeling before the actual calculations. Doesn't seem very rocket-science-y to me.